@article{weko_60297_1,
   author	 = "Tatsuo,Torii and Toshihiko,Yoshioka",
   title	 = "On the Separation of All Roots of a Polynomial by Determining the Number of Roots in the Unit Circle",
   journal	 = "Information Processing in Japan",
   year 	 = "1967",
   volume	 = "7",
   number	 = "0",
   pages	 = "48--53",
   month	 = "jan"
}